49863746566 has 16 divisors (see below), whose sum is σ = 80407388160. Its totient is φ = 23117122440.

The previous prime is 49863746557. The next prime is 49863746579. The reversal of 49863746566 is 66564736894.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49863746498 and 49863746507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13957830 + ... + 13961401.

It is an arithmetic number, because the mean of its divisors is an integer number (5025461760).

Almost surely, 2^49863746566 is an apocalyptic number.

49863746566 is a deficient number, since it is larger than the sum of its proper divisors (30543641594).

49863746566 is a wasteful number, since it uses less digits than its factorization.

49863746566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27919299.

The product of its digits is 156764160, while the sum is 64.

The spelling of 49863746566 in words is "forty-nine billion, eight hundred sixty-three million, seven hundred forty-six thousand, five hundred sixty-six".